Assignee
QUESTAR CORP
3 granted patents·77 citations·filing 1976–1987
Top patents by PatentIndex Score
3 records- 0177US4235508ADual focal length objectiveQUESTAR CORP·Filed 1978·Granted Nov 25, 1980·33 cites·5 claims
- 0268US4061420ACatadioptric lens systemQUESTAR CORP·Filed 1976·Granted Dec 6, 1977·24 cites·9 claims
- 0364US4728770ADual axis optical systemQUESTAR CORP·Filed 1987·Granted Mar 1, 1988·20 cites·17 claims
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